ADTRAN D4 U-BR1TE V - Manuals

Page 2 - crc; Physical Requirements

2 Section 61104020L4-5, Issue 3 61104020L4-5C C A U T I O N C A U T I O N ! SUBJECT TO ELECTROSTATIC DAMAGE OR DECREASE IN RELIABILITY. HANDLING PRECAUTIONS REQUIRED. • All Layer 1 maintenance function and performance monitoring as specified in TR-NWT-000397 andTR-TSY-000829. • Distinctive metallic ...

Page 3 - Figure 3; with; Figure 2. Backplane Pin Assignments; Terminals; Unoccupied

3 Section 61104020L4-5, Issue 3 61104020L4-5C In SLC-96 Mode I with D1D counting channel bank,the time slots are allocated as shown in Figure 3 with two time slots per physical channel slot. The unit uses two time slots in one physical slot and atime slot from an adjacent slot when configured for2B+...

Page 4 - See; Figure 4; for additional channel slot deployment; Figure 5; contains the option

4 Section 61104020L4-5, Issue 3 61104020L4-5C See Figure 4 for additional channel slot deployment restrictions for each bank type. D4 Bank Requirements The COT D4 bank must be configured with an OIU-2selected for external timing. The COT bank must beprovided with an external composite clocksynchroni...

Page 6 - Figure 6; displays the position switch settings at; Front Panel Features; ISDN

6 Section 61104020L4-5, Issue 3 61104020L4-5C Figure 6 displays the position switch settings at network locations. Front Panel Features The U-BR1TE V front panel features a two positionDIP switch, a recessed pushbutton, a rotary switch, abantam jack, and LEDs, as illustrated in Figure 1.The B1/B2 DI...

Page 7 - Indicator

7 Section 61104020L4-5, Issue 3 61104020L4-5C 3. TESTING The U-BR1TE V responds to embedded operationchannel loopbacks, including B1, B2, and 2B+D, whenconfigured for D channel operation. When used in B1configuration (non-D channel modes of operation) theU-BR1TE V will respond to an in-band DS0 DPla...

Page 8 - N O T E

8 Section 61104020L4-5, Issue 3 61104020L4-5C The front panel bantam jacks accommodate standardDS0 Logic Testers such as the TPI 108/109 RT II orFIREBERD 4000/6000 which perform both theupstream and downstream testing. N O T E On DDS circuits the internal 2047 PatternGenerator on the U-BR1TE V shoul...

Page 9 - Local Performance Monitoring

9 Section 61104020L4-5, Issue 3 61104020L4-5C 4. Depress the recessed TEST pushbutton to initiate the test. The TEST LED will illuminate GREENand the ERR LED should go out followingsynchronization to the test pattern from the farend. 5. If the far end unit is a U-BR1TE V using the internal 2047 test...

Page 10 - Figure 7; for various; DDS Testing

10 Section 61104020L4-5, Issue 3 61104020L4-5C IDSL/DDS Description The U-BR1TE V may be deployed in the adjacent tocustomer position to provide transport for DDS/FrameRelay services with an ADTRAN IDSL OCU-R. Thisallows pair savings over traditional DDS deploymenton local loops up to 18 kft of mixe...

Page 11 - X Denotes; Front Panel Tests

11 Section 61104020L4-5, Issue 3 61104020L4-5C DS0 DP Loopback EOC Remapping Upon receipt of subsequent DS0 DP loopback codeswhen the D channel is disabled, the U-BR1TE Vremaps the subsequent DS0 DP loopback sequencesinto the respective ISDN EOC loopback messages.This capability will permit all down...

Page 12 - Figure 9; for an illustration of the

12 Section 61104020L4-5, Issue 3 61104020L4-5C Performance Monitoring Local Performance Monitoring is available only forthe U-interface, when configured for a leased mode ofoperation. See the subsections entitled Loopback Tests, Point-to-Point Test , and Local Loopback for applicable test descriptio...

Page 13 - Loopback Operation; eoc

13 Section 61104020L4-5, Issue 3 61104020L4-5C During a remote end initiated loopback the systemtransmits ASC 9Eh toward the network, indicating anout-of-service condition generated by the remote end,as shown in Figures 10 and 11. All IDSL/DDS system latching loopbacks, whetherinitiated by the IDSL ...